Merge "Add a hint to align changes between taskbar and divider bar" into udc-dev am: 20957363

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23726783



Change-Id: If1d79e0e4519c6c0c400ab76d539d75c5afe8b61
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>